Mehtha arvensis is an annual herb reaching up to 50cm in height. The leaves are aromatic, short stalked, surface undulating in opposite pairs, simple 2-6.5 cm long and 1-2 cm broad, hairy, and withi a coarsely serrated margin. Flowrs are white tingled with violet-pink color, borne in clustered whorls. It is exotic species, introduced from Japan and is now under extensive cultivation in Terai and lower foothill of Nepal. However, it can be cultivated up to altitude of 1500m.
